Beginner support · Translation help
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Choose a language to see each paragraph translated below the English. Tap highlighted words for a quick meaning.
a in an 8 . in in an .
The 30 , .
is to . A is for 15.
Source: UNESCO, 2026-10-08.
Learn with this story
Check your English
Use the article again before opening the answers.
Vocabulary
- Source
- the person, organization, or document that provides information
Comprehension
What happened in this story, and why does it matter?
Answer guide
Seawater samples can reveal species. Add one supporting fact from the article.
Quick check
Which sentence best describes this story?
- Seawater samples can reveal species.
- A test unit will support work toward flight hardware.
- A new image shows activity in a distant star-forming region.
Show answer
The best answer is A.
Grammar focus: Cause and effect
Look for words such as “because,” “so,” “while,” and “as a result.” They connect an event with its effect.